The .mp4 extension is a standard video format, but files with "provocative" names are frequently used as bait for malware, adware, or phishing on file-sharing sites and torrent platforms.
If looking for silent films from 1921, use legitimate archives like The Internet Archive or Project Gutenberg. Sexy Girl (1921) mp4
A search of film databases (IMDb, AFI, Library of Congress) shows no movie by this exact name from 1921. The closest titles from that era include The Girl from 10th Avenue or A Slave of Vanity , but nothing matching this modern phrasing. Sexy Girl (1921) mp4
If already downloaded, do not open it. Run a scan using reputable antivirus software (like Bitdefender or Malwarebytes). Sexy Girl (1921) mp4